Market Share by Top Websites

1 TowerData is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 Despite its recent growth, adRom is still behind TowerData in all market share segments.

Websites Categories

1 TowerData has better usage coverage in more websites categories. Including Autos & Vehicles, Arts & Entertainment, Car Buying, Business & Industry and 182 other categories.

2 adRom is leading in Finance, Financial Management, Relationships & Dating, Insurance and 11 other categories.


1 TowerData is leading in most countries, including United States, France, United Kingdom, Spain and 124 other countries.

2 adRom is leading in Ireland, Switzerland, Estonia, Malta and 9 other countries.